12:25 a.m.
It is possible to migrate a VM from 6 to 7 it is recommended however that
you don't do a live migration and that you power off the VM and then turn
it back on on the cluster running version 7
"Groten, Ryan" <Ryan.Groten(a)stantec.com> wrote:
Has anyone succeeded in upgrading their hosts OS version from 6 to 7? I
assumed it could be done without downtime and one host at a time, but when
trying it out I found that RHEL7 hosts can't be placed in the same Cluster
as RHEL6 ones.
I then tried making a new Cluster and migrating VMs from the RHEL6 cluster
to RHEL7. Initial testing seems to show that it works from RHEL6 to RHEL7
but not the other way around. Also when I select this option a warning
pops up saying "Choosing different cluster may lead to unexpected results.
Please consult documentation."
I looked in the Admin Guide and Technical Reference Guide but don't see
where these unexpected results are mentioned.
Thanks,
Ryan Groten
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
12:56 a.m.
New subject: Migrating hosts from RHEL6 to RHEL7
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--_000_B20AACF866CC461E8C713AF700D5C2D1mconnet_--
4:28 p.m.
New subject: Migrating hosts from RHEL6 to RHEL7
--_000_e83ab1cb04e04ce3ac58f17528265c8eCD1001M21corpads_
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Thanks for the responses guys. Do we know why it's recommended to power th=
e VMs off and then move them to the new cluster? Especially if live migrat=
ion seems to work anyway.
From: matthew lagoe [mailto:matthew.lagoe@subrigo.net]
Sent: Thursday, August 20, 2015 3:25 PM
To: Groten, Ryan
Cc: users(a)ovirt.org
Subject: Re: [ovirt-users] Migrating hosts from RHEL6 to RHEL7
It is possible to migrate a VM from 6 to 7 it is recommended however that y=
ou don't do a live migration and that you power off the VM and then turn it=
back on on the cluster running version 7 "Groten, Ryan" wrote:
Has anyone succeeded in upgrading their hosts OS version from 6 to 7? I as=
sumed it could be done without downtime and one host at a time, but when tr=
ying it out I found that RHEL7 hosts can't be placed in the same Cluster as=
RHEL6 ones.
I then tried making a new Cluster and migrating VMs from the RHEL6 cluster =
to RHEL7. Initial testing seems to show that it works from RHEL6 to RHEL7 =
but not the other way around. Also when I select this option a warning pop=
s up saying "Choosing different cluster may lead to unexpected results. Pl=
ease consult documentation."
I looked in the Admin Guide and Technical Reference Guide but don't see whe=
re these unexpected results are mentioned.
Thanks,
Ryan Groten
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class=3D"WordSection1" <p
class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury Gothic","sans-serif";color:blue">Thanks for the
respon=
ses guys. Do we know why it’s recommended to power the VMs off =
and then move them to the new cluster? Especially if live migration
seems to work anyway.<o:p></o:p></span></p <p class=3D"MsoNormal"><a
name=3D"_MailEndCompose"><span style=3D"font-size=
:10.0pt;font-family:"Century
Gothic","sans-serif";color=
:blue"><o:p> </o:p></span></a></p <p class=3D"MsoNormal"><b><span
style=3D"font-size:10.0pt;font-family:"=
;Tahoma","sans-serif"">From:</span></b><span
style=3D"font-s=
ize:10.0pt;font-family:"Tahoma","sans-serif"">
matthew =
lagoe [mailto:matthew.lagoe@subrigo.net]
<br <b>Sent:</b> Thursday, August 20, 2015 3:25
PM<br <b>To:</b> Groten,
Ryan<br <b>Cc:</b>
users(a)ovirt.org<br <b>Subject:</b> Re:
[ovirt-users] Migrating hosts from RHEL6 to RHEL7<o:p><=
/o:p></span></p <p
class=3D"MsoNormal"><o:p> </o:p></p <p class=3D"MsoNormal">It is possible to
migrate a VM from 6 to 7 it is rec=
ommended however that you don't do a live migration and that you power off =
the VM and then turn it back on on the cluster running version 7 "Grot=
en, Ryan" wrote:
<o:p></o:p></p <p
class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury Gothic","sans-serif"">Has anyone succeeded in
upgradin=
g their hosts OS version from 6 to 7? I assumed it could be done with=
out downtime and one host at a time, but when trying it out I
found that RHEL7 hosts can’t be placed in the same Cluster as RHEL6 =
ones. </span <o:p></o:p></p <p class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury Gothic","sans-serif"">I then tried making a new
Cluste=
r and migrating VMs from the RHEL6 cluster to RHEL7. Initial testing =
seems to show that it works from RHEL6 to RHEL7 but not the other
way around. Also when I select this option a warning pops up saying =
“Choosing different cluster may lead to unexpected results. Ple=
ase consult documentation.”</span><o:p></o:p></p <p class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury
Gothic","sans-serif""> </span><o:p></o:p></p <p class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury Gothic","sans-serif"">I looked in the Admin Guide
and =
Technical Reference Guide but don’t see where these unexpected result=
s are mentioned.</span><o:p></o:p></p <p
class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury
Gothic","sans-serif""> </span><o:p></o:p></p <p class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury
Gothic","sans-serif"">Thanks,</span><o:p></o:p></p <p class=3D"MsoNormal"><span
style=3D"font-size:10.0pt;font-family:"Ce=
ntury Gothic","sans-serif"">Ryan
Groten</span><o:p></o:p></p=
</div
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participants (3)
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Groten, Ryan -
matthew lagoe -
Soeren Malchow